Grades would______from one or two,for outstanding or excellent,to six or seven,for poor or very poor.
#82438
A
suffer
B
differ
C
come
D
range
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More attention must be paid _________ the endangered animals..
#65200
A
to protecting
B
protect
C
to protect
D
protecting
When I got home, the clock was _______ seven.
#70192
A
strike
B
striking.
C
hit
D
hitting